you can see the event live thursday at 8:45 a.m. eastern here on c-span3. and as congress continues its two-week recess, all this week we're showing you american history tv programming in primetime. tomorrow, programs from the civil war navy conference as it marks its 150th anniversary of the battle of hampton roads. that event was the first time in history that iron clad ships faced off in battle. see those events tomorrow beginning at 8:00 p.m. eastern here on c-span3. april 15th, 1912, nearly 1500 perish on the ship called unsinkable. >> once the lookout bells were sounded, the lookout, once the lookout sighted an iceberg ahead, they struck the bells in the crow's nest three times, ding, ding, ding, which is a warning saying that there's some object ahead.